<!DOCTYPE html>
<link rel="author" title="David Shin" href="mailto:dshin@mozilla.com">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#relational">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1869771">
<link rel="match" href="has-style-sharing-007-ref.html">
<meta name="assert" content="Ensure that style sharing optimizations do not interfere with :has() selector matching.">
<style>
.cousin {
  width: 1em;
  height: 1em;
  background: purple;
}
.special.cousin:not(:has(span)) {
  background: blue;
}
</style>
<div class="sib">
  <div class="cousin"></div>
</div>
<br>
<div class="sib">
  <div class="cousin special">
    <span></span>
  </div>
  <br>
  <div class="cousin special"></div>
</div>
